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LP5812

ACTIVE

4 x 3 matrix RGB LED driver with I2C and auto animation control

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Data sheet
User guides

LP5812

ACTIVE
Data sheet Order now

Product details

Number of channels 12 LED current per channel (mA) 50 LED configuration Matrix Program memory Yes Topology Linear Programmable ramp control Yes Vin (min) (V) 2.7 Vin (max) (V) 5.5 Iout (max) (A) 0.2 Features Analog/PWM mixed dimming, Constant current, I2C control, LED Open Detection, LED Short Detection, Programmable lighting engines, Thermal shutdown Iq (typ) (mA) 0.4 Operating temperature range (°C) -40 to 85 Rating Catalog
Number of channels 12 LED current per channel (mA) 50 LED configuration Matrix Program memory Yes Topology Linear Programmable ramp control Yes Vin (min) (V) 2.7 Vin (max) (V) 5.5 Iout (max) (A) 0.2 Features Analog/PWM mixed dimming, Constant current, I2C control, LED Open Detection, LED Short Detection, Programmable lighting engines, Thermal shutdown Iq (typ) (mA) 0.4 Operating temperature range (°C) -40 to 85 Rating Catalog
WSON (DSD) 8 9 mm² (3 mm × 3 mm) DSBGA (YBH) 9 2.56 mm² (1.6 mm × 1.6 mm)
  • Operating voltage range:
    • VCC range: 2.7V to 5.5V
    • Logic pins compatible with 1.8V, 3.3V, and 5V

  • Time-cross-multiplexing (TCM) topology:

    • Drives up to 12 LEDs or 4 RGB LEDs
    • ¼, ⅓, ½, 1 multiplexing ratio
    • Supports direct, TCM, and mix-drive modes

  • 4 constant current sinks with high precision:
    • 0.1mA to 51mA per current sink
    • Device-to-device error: max ±5%
    • Channel-to-channel error: max ±5%
    • Ultra-low headroom voltage: 110mV (typ.) at 25.5mA; 210mV (typ.) at 51mA
    • PWM phase shift configurable for each LED
  • Ultra-low power consumption:
    • Standby: ISTB = 26µA (typical) when CHIP_EN = 0 (data retained)
    • Active: INOR = 0.4mA (typical) when LED current = 25.5mA
  • Analog dimming (current gain control)
    • Global 1-bit Maximum Current (MC): 25.5mA or 51mA
    • Individual 8-bit Dot Current (DC) setting
  • PWM dimming up to audible-noise-free 24kHz
    • Individual 8-bit PWM dimming resolution
    • Linear or exponential dimming curves
  • Autonomous animation engine control
  • Individual LED dot open/short detection
  • Integrated de-ghosting function
  • 1MHz (max.) I2C interface
  • –40°C to 85°C operating temperature range
  • Operating voltage range:
    • VCC range: 2.7V to 5.5V
    • Logic pins compatible with 1.8V, 3.3V, and 5V

  • Time-cross-multiplexing (TCM) topology:

    • Drives up to 12 LEDs or 4 RGB LEDs
    • ¼, ⅓, ½, 1 multiplexing ratio
    • Supports direct, TCM, and mix-drive modes

  • 4 constant current sinks with high precision:
    • 0.1mA to 51mA per current sink
    • Device-to-device error: max ±5%
    • Channel-to-channel error: max ±5%
    • Ultra-low headroom voltage: 110mV (typ.) at 25.5mA; 210mV (typ.) at 51mA
    • PWM phase shift configurable for each LED
  • Ultra-low power consumption:
    • Standby: ISTB = 26µA (typical) when CHIP_EN = 0 (data retained)
    • Active: INOR = 0.4mA (typical) when LED current = 25.5mA
  • Analog dimming (current gain control)
    • Global 1-bit Maximum Current (MC): 25.5mA or 51mA
    • Individual 8-bit Dot Current (DC) setting
  • PWM dimming up to audible-noise-free 24kHz
    • Individual 8-bit PWM dimming resolution
    • Linear or exponential dimming curves
  • Autonomous animation engine control
  • Individual LED dot open/short detection
  • Integrated de-ghosting function
  • 1MHz (max.) I2C interface
  • –40°C to 85°C operating temperature range

The LP5812 is a 4 × 3 matrix RGB LED driver with autonomous animation engine control. The device has ultra-low normal operation current with 0.4mA (typical) when illuminate LEDs.

The time-cross-multiplexing (TCM) structure is adopted, which uses 4 output pins to control 12 LED dots individually. Both high-side scan switch and low-side current sink are contained in one output. The total solution size are minimized for space limited system.

The autonomous animation engine can significantly reduce the real-time loading of controller. Each LED can be configured through the related registers to realize vivid and fancy lighting effects. The device can generate 6MHz clock signal and use it for synchronizing the lighting effects among multiple devices.

The LP5812 is a 4 × 3 matrix RGB LED driver with autonomous animation engine control. The device has ultra-low normal operation current with 0.4mA (typical) when illuminate LEDs.

The time-cross-multiplexing (TCM) structure is adopted, which uses 4 output pins to control 12 LED dots individually. Both high-side scan switch and low-side current sink are contained in one output. The total solution size are minimized for space limited system.

The autonomous animation engine can significantly reduce the real-time loading of controller. Each LED can be configured through the related registers to realize vivid and fancy lighting effects. The device can generate 6MHz clock signal and use it for synchronizing the lighting effects among multiple devices.

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Technical documentation

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Top documentation Type Title Format options Date
* Data sheet LP5812 4 × 3 Matrix RGB LED Driver with Autonomous Control datasheet (Rev. C) PDF | HTML Feb 24, 2025
* User guide LP5812 Register Map PDF | HTML Oct 15, 2024
User guide LP5810/1/2/3 Sample Code PDF | HTML Jan 8, 2025
Certificate LP5813-12WSONEVM EU Declaration of Conformity (DoC) PDF | HTML Feb 26, 2024

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LP5813-12WCSPEVM — LP5813/LP5812 evaluation module for 4 x 3 LED matrix driver with auto animation control

The LP5813/12 evaluation module showcases all the features of the LP5813 and LP5812 4 × 3 matrix RGB LED driver. The difference between the two devices is with or without synchronous boost function. The LP581x graphical user interface (GUI) is used to interface with USB2ANY to the EVM. The (...)

User guide: PDF | HTML
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Evaluation board

LP5813-12WSONEVM — LP5813 and LP5812 evaluation module for WSON package

The LP5813 and LP5812 evaluation module (EVM) showcases all the features of the LP5813 and LP5812 4 × 3 matrix RGB LED driver with autonomous control. The difference between two devices is with or without synchronous boost function. Both LP5813 and LP5812 are placed on one board, please select the (...)

User guide: PDF | HTML
Supported products & hardware
In stock
Limit:
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Not available
Application software & framework

LP5813-MSPM0L1306-SW — LP5813 reference code based on MSPM0L1306(LP-MSPM0L1306)

This reference code showcases the ability of the MSPM0L1306 device to communicate with the LP5813 LED driver. The code configures the MCU using CLB to drive the LEDs on the EVM.
Supported products & hardware
GUI for evaluation module (EVM)

LP581XEVM-GUI — GUI for LP581x Family LED Drivers

The LP581x-GUI is a evaluation tool for LP581x family devices, it can be used to evaluate the LP581xEVM or customized board through USB2ANY interface adapter and showcases all the features of the LP581x family devices.
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
WSON (DSD) 8 Ultra Librarian
DSBGA (YBH) 9 Ultra Librarian
TI's Standard Terms and Conditions for Evaluation Items apply.

Ordering & quality

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

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